Electron diffraction dataset collected from urea (Sigma-Aldrich) micro crystals obtained by slow evaporation using the water solution.
Microscope: Thermo Fisher Scientific 200kV Glacios Transmission Electron Microscope (Cryomicroscopy and Electron Diffraction Core Facility at the Centre of New Technologies, University of Warsaw, Poland)
Camera: Ceta-D camera (bin 2x2, rolling shutter, noise reduction mode)
Collection Software: EPU-D (Thermo Fisher), SMV format
Collection Parameters: 200keV, -193C, 50um C2, gun lens 8, spot size 11, extraction voltage 3850V, parallel beam, beam diameter ~1.7 um, beam stop inserted, calibrated camera length 644 mm (670 in UI), oscillation per frame 1.0 deg, 0.5 s exposure time, tilt speed 2.0 deg/s, rotation -50 to +50 deg, total dose ~3.6 e/A2
Grid: lacey carbon Cu 200 mesh glow discharged for 60s at 25mA
Sample: urea
Structure: IAM refinement: CCDC 2308752, TAAM refinement: CCDC 2308753
(2023-11-09)
